One of the major problems with long-term deep space human flight is the requirement for radiation shielding.

I think humans will reach Mars, and I would like to see it happen in my lifetime.

The biggest benefit of Apollo was the inspiration it gave to a growing generation to get into science and aerospace.

If we can conquer space, we can conquer childhood hunger.

No dream is too high for those with their eyes in the sky!

Exploration is wired into our brains. If we can see the horizon, we want to know what's beyond.

I still say, 'Shoot for the moon; you might get there.'

Knowledge of the past and an optimistic view of the present give you great opportunities.

Many say exploration is part of our destiny, but it's actually our duty to future generations and their quest to ensure the survival of the human species.

Neil Armstrong was the first man to walk on the moon. I am the first man to piss his pants on the moon.

There may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that there is life somewhere in space.

If you think we can't change the world, it just means you're not one of those who will.

Tabloids can be fun. I see stuff sometimes and have a good laugh.

Greek is the morning land of languages, and has the freshness of early dew in it which will never exhale.

The big problem with literature is people tend to take the dialogue from the book, forgetting that everything that surrounds it is literate, therefore not knowing quite how to put that on screen.

Dishonesty increases disorder exponentially. It's hard enough to communicate when you're telling the truth.

Grass is hard and lumpy and damp, and full of dreadful black insects.

Diversify. But carve out 10 to 20 percent for the most unloved part of the market: emerging markets value.

The only way to beat Liverpool is to score more goals than them.

It is no little wisdom for you to keep yourself in silence and in good peace when evil words are spoken to you, and to turn your heart to God and not to be troubled with the judgment of others.